EP4056742A4 - FIBERS, MULTI-LAYER FIBER STRUCTURE, SPINNING SOLUTION FOR ELECTROSPINNING PROCESS AND METHOD FOR PRODUCING FIBERS - Google Patents

FIBERS, MULTI-LAYER FIBER STRUCTURE, SPINNING SOLUTION FOR ELECTROSPINNING PROCESS AND METHOD FOR PRODUCING FIBERS Download PDF

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Publication number
EP4056742A4
EP4056742A4 EP20885598.1A EP20885598A EP4056742A4 EP 4056742 A4 EP4056742 A4 EP 4056742A4 EP 20885598 A EP20885598 A EP 20885598A EP 4056742 A4 EP4056742 A4 EP 4056742A4
Authority
EP
European Patent Office
Prior art keywords
fibers
spinning solution
fiber structure
layer fiber
electrospinning process
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20885598.1A
Other languages
German (de)
French (fr)
Other versions
EP4056742B1 (en
EP4056742A1 (en
Inventor
Daisuke Noda
Shinji Irifune
Masaki Tanaka
Hiromasa Sato
Motoaki Umezu
Toshihisa Tanaka
Keishiro ONO
Kaisuke NISHIBU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Dainichiseika Color and Chemicals Mfg Co Ltd
Shinshu University NUC
Original Assignee
Shin Etsu Chemical Co Ltd
Dainichiseika Color and Chemicals Mfg Co Ltd
Shinshu University NUC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shin Etsu Chemical Co Ltd, Dainichiseika Color and Chemicals Mfg Co Ltd, Shinshu University NUC filed Critical Shin Etsu Chemical Co Ltd
Publication of EP4056742A1 publication Critical patent/EP4056742A1/en
Publication of EP4056742A4 publication Critical patent/EP4056742A4/en
Application granted granted Critical
Publication of EP4056742B1 publication Critical patent/EP4056742B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/778—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur silicon
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348—Hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/61—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0015—Electro-spinning characterised by the initial state of the material
    • D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
    • D01D5/0038—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by solvent evaporation, i.e. dry electro-spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4358—Polyurethanes
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
EP20885598.1A 2019-11-07 2020-11-06 Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers Active EP4056742B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019202562 2019-11-07
PCT/JP2020/041438 WO2021090904A1 (en) 2019-11-07 2020-11-06 Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers

Publications (3)

Publication Number Publication Date
EP4056742A1 EP4056742A1 (en) 2022-09-14
EP4056742A4 true EP4056742A4 (en) 2024-02-14
EP4056742B1 EP4056742B1 (en) 2026-04-15

Family

ID=75849161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20885598.1A Active EP4056742B1 (en) 2019-11-07 2020-11-06 Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers

Country Status (5)

Country Link
US (1) US20220403097A1 (en)
EP (1) EP4056742B1 (en)
JP (1) JP7333922B2 (en)
CN (1) CN114651093A (en)
WO (1) WO2021090904A1 (en)

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SG11201608399QA (en) 2014-06-26 2016-11-29 Emd Millipore Corp Filter structure with enhanced dirt holding capacity
WO2019016605A1 (en) 2017-07-21 2019-01-24 Merck Millipore Ltd Non-woven fiber membranes
SG11202103725VA (en) * 2018-11-01 2021-05-28 Emd Millipore Corp Efficient production of nanofiber structures
CN115624221A (en) * 2022-10-31 2023-01-20 山东黄河三角洲纺织科技研究院有限公司 High-moisture-permeability protective mask and preparation method thereof
CN115538039B (en) * 2022-11-30 2023-03-21 山东华业无纺布有限公司 Preparation method of soft non-woven fabric
CN115948813B (en) * 2023-01-31 2023-08-25 露乐健康科技股份有限公司 Material with traceless tightening prevention function and preparation method and application thereof
CN116752284A (en) * 2023-06-30 2023-09-15 福州大学 A kind of water-based polyurethane waterproof and moisture-permeable membrane and preparation method thereof
CN117107390B (en) * 2023-08-26 2025-08-15 新疆大学 Preparation method, preparation and application of solvent-resistant high-elastic nanofiber material
CN117364345B (en) * 2023-10-07 2025-04-01 浙江东华纳米技术研究院有限公司 A hyperbranched TPU nanofiber waterproof and breathable membrane and its preparation and application
CN117779346B (en) * 2023-12-13 2025-02-11 宁波炜业科技有限公司 A high-toughness, flame-retardant nonwoven fabric and preparation method thereof
CN120549715B (en) * 2025-06-10 2026-03-03 浙江泰斗生物科技有限公司 An anti-bedsore pad and its manufacturing process

Citations (2)

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US20180086874A1 (en) * 2015-03-31 2018-03-29 Shin-Etsu Chemical Co., Ltd. Silicone-modified polyurethane-based fiber and method for manufacturing same
CN108690181A (en) * 2017-04-05 2018-10-23 高鼎精密材料股份有限公司 Aqueous polyurethane colloid disperses solution, electrospinning fibre and preparation method thereof

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DE102005008926A1 (en) 2005-02-24 2006-11-16 Philipps-Universität Marburg Process for the preparation of nano- and mesofibres by electrospinning of colloidal dispersions
JP2007303031A (en) 2006-05-12 2007-11-22 Kato Tech Kk Nozzle for electrospinning and method for producing fine thermoplastic resin fiber using the same
EP2057307A2 (en) 2006-08-21 2009-05-13 Basf Se Process for producing nano- and mesofibres by electrospinning colloidal dispersions
JP5224704B2 (en) 2007-03-14 2013-07-03 株式会社メック Nano-fiber manufacturing method and apparatus
JP2010121221A (en) 2008-11-17 2010-06-03 Fyuuensu:Kk Nanofiber structure and method for producing the same
JP2010189771A (en) 2009-02-16 2010-09-02 Kato Tech Kk Electrospinning apparatus
JP5404151B2 (en) 2009-04-17 2014-01-29 Ｋｂセーレン株式会社 Nanofiber laminate and method for producing the same
JP5625372B2 (en) * 2010-01-29 2014-11-19 三菱化学株式会社 Polyol mixture and polyurethane using the mixture as a raw material
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US20130165618A1 (en) * 2011-12-22 2013-06-27 Thomas B. Brust Polymer composition
JP2014047440A (en) 2012-08-31 2014-03-17 Kato Tech Co Ltd Electrospinning apparatus
JP5554426B2 (en) * 2013-02-13 2014-07-23 大日精化工業株式会社 Synthetic artificial leather and method for producing synthetic artificial leather
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JP6701896B2 (en) * 2016-04-04 2020-05-27 信越化学工業株式会社 Silicone-modified polyurethane fiber and method for producing the same
JP6931040B2 (en) 2016-07-29 2021-09-01 エイアンドエイティー ユーケー リミテッド Removal of silicone oil from spandex spinning solution
CN107587268B (en) * 2017-08-24 2020-08-11 东华大学 A kind of preparation method of environment-friendly solvent-based electrospinning waterproof and moisture-permeable membrane

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20180086874A1 (en) * 2015-03-31 2018-03-29 Shin-Etsu Chemical Co., Ltd. Silicone-modified polyurethane-based fiber and method for manufacturing same
CN108690181A (en) * 2017-04-05 2018-10-23 高鼎精密材料股份有限公司 Aqueous polyurethane colloid disperses solution, electrospinning fibre and preparation method thereof

Non-Patent Citations (1)

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Title
See also references of WO2021090904A1 *

Also Published As

Publication number Publication date
CN114651093A (en) 2022-06-21
EP4056742B1 (en) 2026-04-15
US20220403097A1 (en) 2022-12-22
JP7333922B2 (en) 2023-08-28
WO2021090904A1 (en) 2021-05-14
JPWO2021090904A1 (en) 2021-05-14
EP4056742A1 (en) 2022-09-14

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